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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.myfaces.shared_orchestra.renderkit.html;
20  
21  import java.io.IOException;
22  
23  import org.apache.myfaces.shared_orchestra.renderkit.RendererUtils;
24  import org.apache.myfaces.shared_orchestra.config.MyfacesConfig;
25  
26  import javax.faces.component.UIComponent;
27  import javax.faces.component.UISelectMany;
28  import javax.faces.component.UISelectOne;
29  import javax.faces.component.html.HtmlSelectManyMenu;
30  import javax.faces.component.html.HtmlSelectOneMenu;
31  import javax.faces.context.FacesContext;
32  import javax.faces.convert.ConverterException;
33  
34  /**
35   * X-CHECKED: tlddoc of h:selectManyListbox
36   *
37   * @author Manfred Geiler (latest modification by $Author: skitching $)
38   * @author Thomas Spiegl
39   * @version $Revision: 673826 $ $Date: 2008-07-03 16:43:52 -0500 (Thu, 03 Jul 2008) $
40   */
41  public class HtmlMenuRendererBase
42          extends HtmlRenderer
43  {
44      //private static final Log log = LogFactory.getLog(HtmlMenuRenderer.class);
45  
46      public void encodeEnd(FacesContext facesContext, UIComponent component)
47              throws IOException
48      {
49          RendererUtils.checkParamValidity(facesContext, component, null);
50  
51          if (component instanceof UISelectMany)
52          {
53              HtmlRendererUtils.renderMenu(facesContext,
54                                           (UISelectMany)component,
55                                           isDisabled(facesContext, component));
56          }
57          else if (component instanceof UISelectOne)
58          {
59              HtmlRendererUtils.renderMenu(facesContext,
60                                           (UISelectOne)component,
61                                           isDisabled(facesContext, component));
62          }
63          else
64          {
65              throw new IllegalArgumentException("Unsupported component class " + component.getClass().getName());
66          }
67      }
68  
69      protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent)
70      {
71          //TODO: overwrite in extended HtmlMenuRenderer and check for enabledOnUserRole
72          boolean disabled;
73          boolean readonly;
74          if (uiComponent instanceof HtmlSelectManyMenu)
75          {
76              disabled = ((HtmlSelectManyMenu)uiComponent).isDisabled();
77              readonly = ((HtmlSelectManyMenu)uiComponent).isReadonly();
78          }
79          else if (uiComponent instanceof HtmlSelectOneMenu)
80          {
81              disabled = ((HtmlSelectOneMenu)uiComponent).isDisabled();
82              readonly = ((HtmlSelectOneMenu)uiComponent).isReadonly();
83          }
84          else
85          {
86              disabled = RendererUtils.getBooleanAttribute(uiComponent, HTML.DISABLED_ATTR, false);
87              readonly = RendererUtils.getBooleanAttribute(uiComponent, HTML.READONLY_ATTR, false);
88          }
89          if (!disabled && readonly) {
90              disabled = MyfacesConfig.getCurrentInstance(facesContext
91                              .getExternalContext()).isReadonlyAsDisabledForSelect();
92          }
93          return disabled;
94      }
95  
96      public void decode(FacesContext facesContext, UIComponent uiComponent)
97      {
98          org.apache.myfaces.shared_orchestra.renderkit.RendererUtils.checkParamValidity(facesContext, uiComponent, null);
99  
100         if (uiComponent instanceof UISelectMany)
101         {
102             HtmlRendererUtils.decodeUISelectMany(facesContext, uiComponent);
103         }
104         else if (uiComponent instanceof UISelectOne)
105         {
106             HtmlRendererUtils.decodeUISelectOne(facesContext, uiComponent);
107         }
108         else
109         {
110             throw new IllegalArgumentException("Unsupported component class " + uiComponent.getClass().getName());
111         }
112     }
113 
114     public Object getConvertedValue(FacesContext facesContext, UIComponent uiComponent, Object submittedValue) throws ConverterException
115     {
116         org.apache.myfaces.shared_orchestra.renderkit.RendererUtils.checkParamValidity(facesContext, uiComponent, null);
117 
118         if (uiComponent instanceof UISelectMany)
119         {
120             return org.apache.myfaces.shared_orchestra.renderkit.RendererUtils.getConvertedUISelectManyValue(facesContext,
121                                                                (UISelectMany)uiComponent,
122                                                                submittedValue);
123         }
124         else if (uiComponent instanceof UISelectOne)
125         {
126             return org.apache.myfaces.shared_orchestra.renderkit.RendererUtils.getConvertedUIOutputValue(facesContext,
127                                                            (UISelectOne)uiComponent,
128                                                            submittedValue);
129         }
130         else
131         {
132             throw new IllegalArgumentException("Unsupported component class " + uiComponent.getClass().getName());
133         }
134     }
135 
136 }